According to upstream https://github.com/xmrig/xmrig?tab=readme-ov-file#mining-backends OpenCL is used only for mining on AMD GPUs. This means that if users have a non-AMD gpu and USE=opencl then they compile code that cannot be used. I think that is suboptimal. I propose to change USE=opencl to something like video_cards_{radeonsi,amdgpu}. What do you think about it?
